This post’s subject is the design and assemble of a symmetrical power source, to supply operational amplifiers (op-amps).
Category: Analog electronics
Lissajous curves: what are they?
Lissajous curves are graphics produced by parametric equations and they are very useful on electronic circuits maintenance.
XR2206 function generator kit assembly
This post shows the assembly process and explains how to use the function generator based on integrated circuit XR2206.
Electronics Circuit Simulator game
I discovered on Steam a free game which simulates electronic circuits, the Electronics Circuits Simulator, which is part of Circuit Warz.
Darlington and Sziklai pairs
The Darlington and Sziklai pairs are settings with BJT transistors. The comparison between both and some circuits are shown in this post.
Digital voltmeter ammeter: how to use it?
In this post, are shown how it works and how to use the digital voltmeter ammeter. The component I bought is the DE-2645-02.
Sawtooth generator circuit
This post shows how to design a sawtooth generator circuit, or ramp, which uses a current source and the integrated circuit 555.
Electret microphone: how does it work?
The electret microphone is very used in electronic projects, due to its low cost, size, good sensitivity, and mechanical resistance.
Meet the LM3915
The LM3915 is an integrated circuit that uses many operational amplifiers to measure voltage level or audio volume.
Circuit analysis with op-amp (Part 1)
This is the first part of a series of posts that show an analysis of practical circuits that use an operational amplifier (op-amp).